aneurysm

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aneurysm
left: normal abdominal aorta
right: abdominal aortic aneurysm

an·eu·rysm

also an·eu·rism  (ăn′yə-rĭz′əm)
n.
An abnormal, blood-filled sac formed by dilation of the wall of a blood vessel or heart ventricle, most commonly the abdominal aorta and intracranial arteries, resulting from disease or trauma to the wall, as in atherosclerosis.

[Middle English aneurisme, ultimately from Greek aneurusma, from aneurein, to dilate : ana-, throughout; see ana- + eurus, wide.]

an′eu·rys′mal (-məl) adj.

aneurysm

(ˈænjəˌrɪzəm) or

aneurism

n
(Medicine) a sac formed by abnormal dilation of the weakened wall of a blood vessel
[C15: from Greek aneurusma, from aneurunein to dilate, from eurunein to widen]
ˌaneuˈrysmal, ˌaneuˈrismal, ˌaneurysˈmatic, ˌaneurisˈmatic adj
ˌaneuˈrysmally, ˌaneuˈrismally, ˌaneurysˈmatically, ˌaneurisˈmatically adv

an•eu•rysm

or an•eu•rism

(ˈæn yəˌrɪz əm)

n.
a permanent cardiac or arterial dilatation usu. caused by weakening of the vessel wall.
[1650–60; < Greek aneúrysma dilation, derivative (with -(s)ma n. suffix of result) of aneurýnein to dilate (see an-3, eury-)]
an`eu•rys′mal, an`eu•ris′mal, adj.
an`eu•rys′mal•ly, an`eu•ris′mal•ly, adv.

an·eu·rysm

(ăn′yə-rĭz′əm)
A swelling in the wall of an artery or vein caused by disease or injury.

aneurism, aneurysm

a disease of the artery wall that causes a localized dilatation of the artery and a pulsating tumor.
See also: Blood and Blood Vessels
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aneurysm - a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wallaneurysm - a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
cardiovascular disease - a disease of the heart or blood vessels
aortic aneurysm - an aneurysm of the aorta
cerebral aneurysm - an aneurysm of the carotid artery
intracranial aneurysm - an aneurysm of a cranial artery
ventricular aneurysm - a localized dilation or protrusion on the wall of the left ventricle of the heart (occurring after a myocardial infarction)
Translations

an·eu·rysm

n. aneurisma, dilatación de una porción de la pared de una arteria;
aortic ______ aórtico;
berry ______ cerebral saculado;
cerebral ______ cerebral;
dissecting ______ disecante;
false ______ falso;
fusiform ______ fusiforme;
true ______verdadero.

aneurysm

n aneurisma m; abdominal aortic — aneurisma aórtico abdominal, aneurisma de aorta abdominal; dissecting — aneurisma disecante; mycotic — aneurisma micótico
References in periodicals archive ?
The mortality risk of the bacterial aneurysm is 90% in the absence of surgery, but the prognosis is improved by the new endovascular techniques.
Bacterial aneurysms may also occur in the absence of obvious inflammatory focus elsewhere in the body.
Proximal bacterial aneurysms are more threatening than those distally located and are associated with a mortality rate up to 58% (Kovoor et al.